Enhancers are genetic elements that have major roles in determining cell type-specific gene expression patterns and responses to internal and external signals. Mammalian genomes contain millions of ...

Hundreds of natural-selection studies could have made incorrect conclusions because several statistical methods commonly used by biologists to detect natural selection at the molecular level tend to ...

Scientists are exploring how organisms can evolve elaborate structures without Darwinian selection. Charles Darwin was not yet 30 when he got the basic idea for the theory of evolution. But it wasn’t ...

Charles Darwin was not yet 30 when he got the basic idea for the theory of evolution. But it wasn't until he turned 50 that he presented his argument to the world. He spent those two decades ...